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Black rectangular 20 watt AC power supply unit

Cisco Systems, Inc.

Cisco Systems, Inc. CB-PWRINJ-NA 819 20 Watt AC Power Supply

SKU CH-01BW-G6P0N

A 20-watt AC power supply for Cisco 819 series devices, coloured black

  • Product typePower Supply
  • Product colorBlack
  • Key features819 20 W AC Power Supply
  • Delivers 20 watts of AC power to Cisco 819 series devices
  • Black finish integrates cleanly into standard network racks
  • Purpose-built power supply ensures reliable operation for compatible Cisco hardware
  • New condition guarantees full manufacturer specifications out of the box
  • First listed by the manufacturer on 10 August 2020

Cisco CB-PWRINJ-NA 819 Power Supply

The Cisco CB-PWRINJ-NA is a 20 watt AC power supply designed for network equipment. It delivers reliable power to compatible Cisco 819 series devices in commercial environments. The unit ships new in a black enclosure.

Suited for Cisco 819 deployments needing 20 watt

This supply fits installations that require the exact 20 watt rating for the 819 platform. Sites needing higher wattage, DC input voltage, or a different connector type should select an alternative model.

20 watt AC output rating

The 20 watt AC output is the critical specification that determines compatibility with the target hardware. Verify the device power requirement matches this rating before purchase.

How it compares

Measured against everything we stock in Patch Panels, PoE & LAN Adapters, at today’s prices. Recalculated every night.

Price $54.99
Typical for this category: the median of 559 items is $56.99.

Specifications

Product
Brand nameCISCO
Model nameCB-PWRINJ-NA
Product typePower Supply
Product colorBlack
Size & build
Shipping weight0.46 kg
Package size356 × 241 × 32 mm

Questions about this item

What maintenance or replacement will the CB-PWRINJ-NA 20 Watt AC power supply need over time?

The unit is a sealed AC power supply with no user-serviceable parts, so no routine maintenance is required; replacement is only needed if the unit fails.

What is the first limit reached when the CB-PWRINJ-NA runs continuously at full load?

The 20 watt output rating is the primary limit; sustained draw above that will trigger the built-in protection.

How much noise and heat does the black CB-PWRINJ-NA generate during all-day operation?

The supply has no fan, so it runs silently; heat output matches the 20 watt load and is dissipated through the case.

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